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How to print a dictionary's key?
...en "is" and key etc. If you use + you need to put the extra padding in the strings. Also key and value are not necessarily string, in which case comma will use str(key) and str(value) whereas + will cause an error
– John La Rooy
May 6 '11 at 0:17
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...xt
I consistently used the stylesheet_link_tag helper, so I found all the extra css files I needed to add with:
find . \( -type f -o -type l \) -exec grep stylesheet_link_tag {} /dev/null \;
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How should I escape commas and speech marks in CSV files so they work in Excel?
... rules.
If the value contains a comma, newline or double quote, then the String value should be returned enclosed in double quotes.
Any double quote characters in the value should be escaped with another double quote.
If the value does not contain a comma, newline or double quote, then the
String ...
Can not connect to local PostgreSQL
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I've added an extra link. As far as I know you can't really have postgresql without the postgresql.conf (even if it's been renamed). Your first task must be to find this.
– Philip Couling
Dec 13 '11 ...
Most efficient way to check for DBNull and then assign to a variable?
...o extension methods:
public static T? GetValue<T>(this DataRow row, string columnName) where T : struct
{
if (row.IsNull(columnName))
return null;
return row[columnName] as T?;
}
public static string GetText(this DataRow row, string columnName)
{
if (row.IsNull(columnNam...
Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...racter (Zulu or zero offset) at the end of UTC datetime object's isoformat string unlike JavaScript?
12 Answers
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Creating a new DOM element from an HTML string using built-in DOM methods or Prototype
I have an HTML string representing an element: '<li>text</li>' . I'd like to append it to an element in the DOM (a ul in my case). How can I do this with Prototype or with DOM methods?
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Can I change multiplier property for NSLayoutConstraint?
...NSLayoutConstraint to respond for bounds change or device rotation without extra code.
– tzaloga
Jul 5 '16 at 14:40
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Extract part of a regex match
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Use ( ) in regexp and group(1) in python to retrieve the captured string (re.search will return None if it doesn't find the result, so don't use group() directly):
title_search = re.search('<title>(.*)</title>', html, re.IGNORECASE)
if title_search:
title = title_search.gr...
How to get the current time in milliseconds from C in Linux?
...would need to increment s when this happens. Probably a rare event but the extra digit can cause trouble.
– Mike
Dec 27 '17 at 0:55
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